package com.kt.emall.member.exception;

/**
 * @program: e-mall
 * @description: 用户已存在异常
 * @author: KamTang
 * @create: 2022-01-12 13:37
 **/
public class UsernameExistException extends RuntimeException {
    /**
     * Constructs a new runtime exception with {@code null} as its
     * detail message.  The cause is not initialized, and may subsequently be
     * initialized by a call to {@link #initCause}.
     */
    public UsernameExistException() {
        super("用户名已存在");
    }
}
